Hair brush



FIG. 1 is a perspective view of a first embodiment of the hair brush showing my new design;

FIG. 2 is a top plan view of the first embodiment;

FIG. 3 is a front elevation view of the first embodiment;

FIG. 4 is a perspective side view thereof;

FIG. 5 is a perspective view of a first embodiment of the hair brush showing my new design;

FIG. 6 is a bottom plan view of the first embodiment; and,

FIG. 7 is another perspective side view thereof. 

CLAIM The ornamental design for a hair brush, as shown and described. 